Add internationalization and replace all hardcoded labels with i18n entries

[ManyRios]

Describe changes

Added react-i18next dependency for packages/features. Added all necessary config files for the i18next library. Extracted all necessary i18n entries from hardcoded labels in Pallad to locales/en.json

Ticket or discussion link

https://github.com/palladians/pallad/issues/194

All the labels has been changed in packages/features.